Q: What are the prime factors of the number 315,415,023?

 A: 3, 7, 11, 83, 16451

Why are those the prime factors of the number 315,415,023?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 315,415,023

315,415,023
Factor Arrows
3105,138,341
Factor Arrows
715,019,763
Factor Arrows
111,365,433
Factor Arrows
8316,451

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 7, 11, 83, 16451

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 83 x 16,451 = 315,415,023

This can also be written as 31 x 71 x 111 x 831 x 16,4511 = 315,415,023

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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